304 stainless steel plate is a common stainless steel material widely used in construction, manufacturing, and home decoration. However, there are 304 stainless steel sheets of varying quality on the market, so understanding how to distinguish good and bad 304 stainless steel sheets is crucial for buyers. In this article, we will introduce you to several key factors to determine the quality of 304 stainless steel sheets.
1, The Quality of Appearance:
Surface finish: the surface of a good 304 stainless steel plate should be smooth and flat, without obvious bumps, scratches, and oxidation spots.
Color uniformity: good 304 stainless steel plate color uniformity, no obvious color difference, and spots.
Edge quality: the edge of a good 304 stainless steel sheet should be flat, with no burrs and rust.
Huaxiao is one of 304 2b stainless steel sheet suppliers in China.
2, Chemical Composition:
Nickel and chromium content: A good 304 stainless steel plate should have suitable nickel and chromium content, usually nickel content should be 8-10%, and chromium content should be between 18-20%.
Other elements content: A good 304 stainless steel sheet should have a low content of carbon, sulfur, phosphorus, and other impurities.
3, Physical Properties:
Strength and hardness: A good 304 stainless steel sheet should have high strength and hardness, which can be judged by the tensile test and hardness tests.
Corrosion resistance: A good 304 stainless steel sheet should have good corrosion resistance, which can be detected by salt spray tests and acid and alkali tests.
4, Processing Technology:
Cutting process: good 304 stainless steel sheet cutting edge should be flat, with no burrs and cracks.
Bending process: good 304 stainless steel plate bending should be no obvious deformation and cracks.
Conclusion: Observing the appearance quality, detecting the chemical composition, testing the physical properties, and understanding the processing technology, can help us distinguish the good and bad 304 stainless steel sheet. When buying, it is recommended to choose a reputable supplier and ask for relevant quality certificates and test reports. In addition, understanding some basic knowledge of 304 stainless steel plates is also an important basis for judging the quality.